Jun Kyung says that she’s not into dating or seeing new people. It seems that she’s living a perfect single life, but actually, she’s struggling with loneness every day. Jin Ho quits his job and decides to spend more time with the family. Jun Seo is a grad student who’s worried about his future. He wants to be loved and love others, but a shocking incident makes him change.

Mi Ran was a big part of the family’s life. She was the center who gathered the family together. Ever since the accident, the family couldn’t move on and just stayed there, hurt emotionally. Now that Mi Ran is gone, the lives of the left ones move on again. Jun Kyung runs into a man, Jun Seo’s relationship is at crisis, and Jin Ho decide to go on a trip by himself.

After the funeral, the family is back to their lives. While they are still absorbing the grief and the sorrow, new people and events come into their lives. Jun Kyung gets closer to Do Hyun, and she even does something she’d never do. Jin Ho slowly opens up to Ja Yeong who took care of him, who is traveling alone. Jun Seo reproaches himself, thinking he’s wasting his time.

Jun Kyung finds out about Do Hyun’s secret. She’s shocked and disappointed, but she can’t get over him right away. Jin Ho knows that Ja Yeong is a nice person, and she’s even interested in him. However, he questions himself if it’s the right time for him. Meanwhile, Jun Seo starts to have questions about his relationship with Sol.

Jun Seo feels insecure as he feels that he’s not good enough for Sol. He gets an offer of an internship at a station, and he’s happy to tell everyone. Meanwhile, Jun Kyung wants to become close to Daniel, Do Hyun’s son, but things don’t turn out as expected. Jin Ho makes up his mind and decides to pursue his happiness no matter what others say.

An unexpected guest visits the house, and Jun Kyung finds out about Jin Ho and Ja Yeong. She tells harsh things to Jin Ho, and Ja Yeong calls her to apologize. Jun Seo is frustrated as he breaks up with Sol, and Hye On finally acknowledges her feelings toward Jun Seo. Meanwhile, Jin Ho tells his children about Ja Yeong and makes it official.

Jin Ho visits Mi Ran’s sister and apologizes for dating someone new. Daniel tells Do Hyun that he doesn’t like the fact that Do Hyun is seeing Jun Kyung. Beom Jun announces to the team that he’ll quit for a Europe trip with his girlfriend, and Hye On is at a loss for words. Meanwhile, Jin Ho asks his kids to meet Ja Yeong.

Jun Kyung becomes flustered upon seeing Yoon Ju, Daniel’s birthmother, after Daniel’s performance. She leaves the venue, leaving the family to have a good time. Jin Ho plans to buy a campground, so he visits it with Ja Yeong. Then he tells his kids that he’ll sell the house, which leaves Jun Seo dumbfounded.

Even after listing the house, Jin Ho is torn, thinking it’s a shame to sell the house filled with his children’s memories. Do Hyun comes up with an idea that would stop Jin Ho from selling the house and living together with Jun Kyung. Meanwhile, Yoon Ju visits Jun Kyung at her workplace, hinting that she could get back with Do Hyun.

Jun Kyung feels conflicted after seeing Do Hyun leave his studio with Yoon Ju. Despite that, Do Hyun decides to propose to Jun Kyung. Jin Ho invites all his family to the campground, and they have a nice bonding time. Meanwhile, Jun Kyung and Do Hyun visit an OB-GYN, and they receive shocking news.

Jun Kyung ends up asking Yoon Ju if Daniel is Do Hyun’s biological son. She regrets it immediately, thinking she’s hurt everyone. Ja Yeong gets diagnosed with Alzheimer's disease, devastating Jin Ho. Meanwhile, Do Hyun secretly gets a DNA test done on himself and Daniel.

Ja Yeong sees Jin Ho struggling, so she decides to leave him and admit herself to a nursing home. Daniel finds out that Do Hyun isn’t his biological father and becomes dejected. Yoon Ju decides to leave Korea with Daniel. Meanwhile, the family holds a birthday party for Ja Yeong, and she confesses that she has Alzheimer's disease.